Alturas is a small city in northeastern California--population about 3,500 and is the county seat of Modoc County. Until drilling of the first geothermal well in Alturas,[...]

The first downhole heat exchanger (DHE) in Klamath Falls, Oregon, perhaps the first in the world, was installed in 1931 by a local plumber, Charles B. “Charlie” Leib, as [...]

These greenhouses are located along the Snake River, approximately 30 miles northwest of Twin Falls, Idaho and near the town of Hagerman. There are also several more gre[...]

About 1926, Klamath Ice Company drilled a well on their property at 661 Spring Street, Klamath Falls. The intended purpose was to obtain water for making ice, cooling amm[...]

Injection in the very small Vale geothermal aquifer does not appear to be beneficial. Water levels and temperature in the upflow zone are dropping. Natural surface spri[...]

Information is provided on the status of geothermal direct heat utilization in the United States, with emphasis on developments from 1985 to 1990. A total of 452 sites, w[...]

The downhole heat exchanger (DHE) is used to provide space heating and domestic hot water from a single geothermal well. The most common construction of DHEs has been bl[...]

Late last spring OIT and Oregon State University obtained a joint contract from ERDA to study downhole heat exchangers (DHE) (ERDA contract EY-76-5-06-24291. Evaluation a[...]

Early geothermal direct use developments utilized natural or improved hot springs. In some cases the discharge released some undesirable, or in a few cases, constituents [...]

The resource base for low-to-moderate temperature direct use geothermal applications is large and wide spread throughout the western United States. The models for direct[...]